Increase the performance of parsing and evaluation speed

Repository metrics

Stars

835 stars (835 stars)

PR merge metrics

No merged PRs in 30d (No merged PRs in 30d)

Description

[nix-shell:~/src/hnix]$ time nix-instantiate -I nix=$PWD/data/nix/corepkgs --eval --expr "import $HOME/src/nix/nixpkgs {}" > /dev/null

real	0m0.089s
user	0m0.077s
sys	0m0.010s

[nix-shell:~/src/hnix]$ time ./dist/build/hnix/hnix -I nix=$PWD/data/nix/corepkgs --eval --expr "import $HOME/src/nix/nixpkgs {}" > /dev/null

real	0m1.125s
user	0m1.047s
sys	0m0.070s

Contributor guide

Research direction

Profile the application to identify performance bottlenecks in parsing and evaluation. Look at the parser and evaluator code for optimization opportunities such as reducing allocations, improving data structures, or using more efficient algorithms.

Tech stack

haskell

Domain

backendtoolingperformance

Issue type

Performance

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

4

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

1-2 days

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Active

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

HaskellNixprofiling tools

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

30